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Top quark effective theory in the LHC era

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If you have a question about this talk, please contact Alexander Mitov.

The top quark, by far the heaviest of the Standard Model fermions, is ubiquitous in Large Hadron Collider measurements, both as a dominant background and as a potential gateway to signals of new physics. The huge statistical sample already collected at the LHC will allow us, for the first time, to study its couplings with precision. In this talk, I will discuss a global fit of top quark couplings, phrased in the model-independent language of higher-dimensional effective operators, to the currently available data from the LHC and Tevatron. I examine the interplay between inclusive and differential measurements, and the complementarity of LHC and Tevatron results, as well as issues pertaining to the validity of the EFT description. I will conclude with a discussion of projections for improvement over LHC Run II, and of the implications of our results for the scale of new physics in the top sector.

This talk is part of the Cavendish HEP Seminars series.

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